General science

General science

A variety of science subjects concerning the fundamental knowledge about different aspects of our world and their underlying principles.

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General science

Toxoplasmida

Science; General science

An order of the class Toxoplasmea. Four genera, Toxoplasma, Besnoitia, Sarcocystis , and Encephalitozoon , make up the order. The organisms are parasites of vertebrates. Toxoplasma is often ...

An order of the class Lycopsida (club mosses), regarded as more advanced than the extinct Protolepidodendrales because they produce spores of two sizes, but less advanced than the Lepidodendrales and ...

Centrosome

Science; General science

An organelle located in the cytoplasm of all animal cells and many plants, fungi, and protozoa, that controls the polymerization, position, and polar orientation of many of the cell's microtubules ...

Macrocyclic compound

Science; General science

An organic compound that contains a large ring. In the organic chemistry of alicyclic compounds, a closed chain of 12 carbon (C) atoms is usually regarded as the minimum size for a large ring; crown ...

Coenzyme

Science; General science

An organic cofactor or prosthetic group (nonprotein portion of the enzyme) whose presence is required for the activity of many enzymes. In addition, many enzymes need metal ions, such as copper, ...

Polymer-supported reaction

Science; General science

An organic chemical reaction where one of the species, for example, the substrate, the reagent, or a catalyst, is bound to a cross-linked, and therefore insoluble, polymer support. A major attraction ...

Golgi apparatus

Science; General science

An organelle found in all eukaryotic cells and absent from prokaryotes such as bacteria. The Golgi apparatus is named after the Italian histologist Camillo Golgi, who visualised an "internal ...